Graen Serpent Slayer is the human god of the harvest
God of Harvest. The favored farming technique involves the burn and grow method. As a result, the humans commonly were cutting down the forest to both build their villages, as well as burn as offerings to their god.
God of Harvest add this: He is the bearer of the harvest (holding a shaft of wheat), bringer of light (holding a torch), and slayer of serpents (trampling a snake under his boot)
This is the primary religion of humanity. It speaks against dragons and the dragon-blooded (sorcerers)